CU-EMA+
6 Maintenance
During maintenance, remember:
– The equipment must be maintained by a professional familiar with the safety requirements and risks.
– Only perform maintenance work described in these operating and installation instructions.
– When performing maintenance of any type, observe the respective safety and operation regulations.
DANGER
Toxic, corrosive gas/condensate
Sample gas/condensate may be hazardous to health.
a) Purge the device with inert gas or air (only when non-flammable gases inside the gas
path) for some time before connecting the lines or performing maintenance.
b) If necessary, ensure a safe gas/condensate discharge.
c) Check the lines in and on the device for leaks.
d) Always disconnect the gas supply when performing maintenance or repairs.
e) Protect yourself from toxic/corrosive gasses/condensate when performing mainten-
ance. Wear suitable protective equipment.
DANGER
High pressure, danger due to gases being discharged at high pressure!
a) Disconnect the device from the system pneumatics.
b) Release pressure from the lines before beginning work.
c) Secure the equipment from accidentally being reconnected to the pneumatic supply
DANGER
Electric voltage
Risk of electric shock
a) Always disconnect the unit from the mains before working on it. After shutting off
the power, allow a discharge time of at least 5 seconds.
b) Secure the device from accidental restarting.
c) The unit may only be opened by trained, competent personnel.
d) Ensure the correct voltages supply.
WARNING
Electric voltage
Insulation test will damage the device
Do not test the electric strength if the entire unit is under high voltage!
CAUTION
Hot surface
Burning hazard
Let the device cool down before maintaining.
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Bühler Technologies GmbH
BE440029 ◦ 10/2020
